Place instructions in a safe place for future reference. Do not allow anyone who has not read these instructions to assemble, light, adjust or operate the heater. GAS-FIRED INFRA-RED PORTABLE HEATER CYLINDER NOT INCLUDED MH12CS MODEL MODEL MH12C If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. WARNING: — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or a

Do not use if leaking! WARNING: Any changes to this heater or its controls can be dangerous. WARNING: Early signs of carbon monoxide poisoning resemble the flu, with headache, dizziness and/or nausea. If you have these signs, heater may not be working properly. Get fresh air at once! Have heater serviced. WARNING: If the recreational or commercial enclosure does not have a window or roof vent, DO NOT USE THIS HEATER INSIDE. THE STATE OF CALIFORNIA REQUIRES THE FOLLOWING WARNING: WARNING: Combust

Ohio 44135 place for future reference. Phone: 800/251-0001 FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. • If you cannot reach your gas supplier, call the fire department. WARNING: improper installation, ADJUSTMENT, SERVICE OR MA NTE-NANCE CAN CAUSE PROPERTY DAMAGE, INJURY OR DE

Place instructions in a safe place for future reference. Do not allow anyone who has not read these instructions to assemble, light, adjust or operate the heater. HEATSTAR MH35LPMODELMODELHS35LP CYLINDER NOT INCLUDED GAS-FIRED INFRA-RED PORTABLE CONSTRUCTION HEATER DO NOT LEAVE HEATER UNATTENDED OR IN OPERATION WHILE SLEEPING GENERAL HAZARD WARNING: FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS PROVIDED WITH THIS HEATER CAN RESULT IN DEATH, SERIOUS BODILY INJURY AND PROPERTY LOSS OR DA

This Warranty gives you specific legal rights, and you may have other rights which vary from state to state. Enerco Group, Inc. reserves the right to make changes at any time, without notice or obligation, in colors, specifications, accessories, materials and models. ®® ENERCO GROUP, INC., 4560 W. 160TH ST., CLEVELAND, OHIO 44135 • 216-916-3000 Mr. Heater is a registered trademarks of Enerco Group, Inc. ANSI Z83.7/CGA 2.14-2000 © 2003, Enerco/Mr. Heater. All rights reserved Enerco Group, Inc.| F

— An LP cylinder not connected for use shall not be stored in the vicinity of this or any other appliance. — WHAT TO DO IF YOU SMELL GAS • Do not try to light appliance. • Extinguish any open flame. • Shut off gas to appliance. — Service must be performed by a qualified service agency. This is an unvented gas-fired portable heater. It uses air (oxygen) from the area in which it is used. Adequate combustion and ventilation air must be provided. Refer to page 3. READ INSTRUCTIONS CAREFULLY: Read a

Inspect hose assembly before each use of the heater. If there is excessive abrasion or wear, or hose is cut, replace with hose assembly listed on parts list before using heater. 8. For indoor use only. Area must be well ventilated. Figure 1. (also see "Operating Precautions"). 9. If at any time gas odor is detected, IMMEDIATELY DISCONTINUE operation until the source of gas has been located and corrected. Read enclosed Odor fade and Propane Sheet for additional information about detecting propane

Do not pull any power supply or extension cords. Do not light matches or any other source of flame. Do not use your telephone. • Get everyone out of the building and away from the area immediately. • Close all propane (LP) gas tank or cylinder fuel supply valves, or the main fuel supply valve located at the meter if you use natural gas. • Propane (LP) gas is heavier than air and may settle in low areas. When you have reason to suspect a propane leak, keep out of all low areas. • Use your neighbo

to regulator.............Min.: 5 psig (34.5 kPa) regulator out .......... 28" W.C. (6.97 kPa) Electrical Input:........115V, 60 Hz, 1O, 3a Min. Operating Voltage: 100V Ignition: .................... Direct Spark Primary Flame Control:.......Thermocouple Operated Gas Valve High Temperature Control: .................. 240°F (116°C) Min. Ambient Temp. Rating 0°F (-17.8°C) Enerco Group, Inc.| Forced Air Propane Construction Heater 2 Operating Instructions and Owner’s Manual 70056 Rev. C 4/07 SPECIFI

MH12, INFRA-RED CAMP HEATERS No. Description 1 Wire Guard 2 Mesh Screen 3 Thermo-Couple 4 Regulator Valve Knob 5 Regulator 6 Propane Gas Cylinder 7 Reflector Bowl Assembly 8 Mixing Tube 9 Orifice 10 Mixing Tube Lock Nut 11 Valve Button 12 Safety Shut-Off Valve 13 Plastic Stand Model MH12 ENERCO / MR HEATER 4560 W. 160th ST., CLEVELAND, OHIO 44135 TEL: 1-800-251-0001 FAX: 1-800-321-0552 GENERAL A new feature of the series MH12 heaters is a 3-step regulator valve that has a high